The Law Office of Sean Hennessey is a distinguished Southern California trial practice specializing in criminal defense, personal injury, and dependency law. With over 26 years of experience and a record of litigating thousands of cases, the firm stands out for its aggressive courtroom advocacy and proven success in achieving dismissals, acquittals, and favorable outcomes for clients facing serious legal challenges.
Led by Sean Hennessey, an accomplished trial attorney who has tried over 200 court and jury trials, the firm takes a thorough, detail-oriented approach to building strong defenses and compelling claims. The practice is dedicated to protecting clients’ rights across a spectrum of high-stakes situations, serving individuals accused of crimes, injured parties seeking compensation, and families involved with social services departments.
Services Offered
- Criminal Defense
- Assault
- Domestic Violence Cases
- Drug Sales & Possession
- DUI – Driving Under the Influence
- Gang Crimes
- Theft Related Charges
- Third Strike Cases
- White Collar Crimes
- Murder
- Sex Crimes
- Medical Marijuana Cases
- Personal Injury
- Medical Malpractice
- Serious Bodily Injuries
- Defective Products
- Wrongful Termination
- Serious Car Accidents
- Insurance Bad Faith
- Civil Rights Violations/Police Misconduct Cases
- Dependency Law
- Representation for Parents with Children Removed by Social Services
- Representation for Children Removed from Parents
- Representation for Parents Under Investigation by Social Services
The firm represents clients throughout California, including Orange, Los Angeles, Riverside, San Bernardino, and San Diego Counties, with particular focus on cities such as Westminster, Santa Ana, Los Angeles, and Irvine. Sean Hennessey has been recognized with numerous honors for his trial skills and continues to handle complex, high-profile cases with dedication and expertise.
